/*package cn.wx.common.utils;



	import org.bouncycastle.jce.provider.BouncyCastleProvider;  
	import javax.crypto.BadPaddingException;  
	import javax.crypto.Cipher;  
	import javax.crypto.IllegalBlockSizeException;  
	import javax.crypto.NoSuchPaddingException;  
	import javax.crypto.spec.IvParameterSpec;  
	import javax.crypto.spec.SecretKeySpec;  
	import java.security.*;  
	public class AESUtils {  
	    public static boolean initialized = false;  
	    *//** 
	     * AES解密 
	     * @param content 密文 
	     * @return 
	     * @throws InvalidAlgorithmParameterException 
	     * @throws NoSuchProviderException 
	     *//*  
	    public byte[] decrypt(byte[] content, byte[] keyByte, byte[] ivByte) throws InvalidAlgorithmParameterException {  
	        initialize();  
	        try {  
	            Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");  
	            Key sKeySpec = new SecretKeySpec(keyByte, "AES");  
	            cipher.init(Cipher.DECRYPT_MODE, sKeySpec, generateIV(ivByte));// 初始化  
	            byte[] result = cipher.doFinal(content);  
	            return result;  
	        } catch (NoSuchAlgorithmException e) {  
	            e.printStackTrace();  
	        } catch (NoSuchPaddingException e) {  
	            e.printStackTrace();  
	        } catch (InvalidKeyException e) {  
	            e.printStackTrace();  
	        } catch (IllegalBlockSizeException e) {  
	            e.printStackTrace();  
	        } catch (BadPaddingException e) {  
	            e.printStackTrace();  
	        } catch (NoSuchProviderException e) {  
	            // TODO Auto-generated catch block  
	            e.printStackTrace();  
	        } catch (Exception e) {  
	            // TODO Auto-generated catch block  
	            e.printStackTrace();  
	        }  
	        return null;  
	    }  
	    public static void initialize(){  
	        if (initialized) return;  
	        Security.addProvider(new BouncyCastleProvider());  
	        initialized = true;  
	    }  
	    //生成iv  
	    public static AlgorithmParameters generateIV(byte[] iv) throws Exception{  
	        AlgorithmParameters params = AlgorithmParameters.getInstance("AES");  
	        params.init(new IvParameterSpec(iv));  
	        return params;  
	    }  
	}

*/